Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759544AbYLLRNi (ORCPT ); Fri, 12 Dec 2008 12:13:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756335AbYLLRN2 (ORCPT ); Fri, 12 Dec 2008 12:13:28 -0500 Received: from mail4-relais-sop.national.inria.fr ([192.134.164.105]:17466 "EHLO mail4-relais-sop.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754101AbYLLRN1 (ORCPT ); Fri, 12 Dec 2008 12:13:27 -0500 X-Greylist: delayed 589 seconds by postgrey-1.27 at vger.kernel.org; Fri, 12 Dec 2008 12:13:27 EST X-IronPort-AV: E=Sophos;i="4.36,211,1228086000"; d="scan'208";a="32578673" Date: Fri, 12 Dec 2008 18:03:36 +0100 From: Samuel Thibault To: Peter Zijlstra Cc: Vince Weaver , Ingo Molnar , linux-kernel@vger.kernel.org, Thomas Gleixner , Andrew Morton , Stephane Eranian , Eric Dumazet , Robert Richter , Arjan van de Veen , Peter Anvin , Paul Mackerras , "David S. Miller" Subject: Re: [patch] Performance Counters for Linux, v3 Message-ID: <20081212170336.GJ5413@const.bordeaux.inria.fr> Mail-Followup-To: Samuel Thibault , Peter Zijlstra , Vince Weaver , Ingo Molnar , linux-kernel@vger.kernel.org, Thomas Gleixner , Andrew Morton , Stephane Eranian , Eric Dumazet , Robert Richter , Arjan van de Veen , Peter Anvin , Paul Mackerras , "David S. Miller" References: <20081211155230.GA4230@elte.hu> <1229070345.12883.12.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1229070345.12883.12.camel@twins> User-Agent: Mutt/1.5.12-2006-07-14 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 756 Lines: 18 Peter Zijlstra, le Fri 12 Dec 2008 09:25:45 +0100, a ?crit : > On Thu, 2008-12-11 at 13:02 -0500, Vince Weaver wrote: > > Also, my primary method of using counters is total aggregate count for a > > single user-space process. > > Process, as in single thread, or multi-threaded? I'll assume > single-thread. BTW, just to make sure it is taken into account (I haven't followed the thread up to here, just saw a "pid_t" somwhere that alarmed me): for our uses, we _do_ need per-kernelthread counters. Samuel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/